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Including the current and noncurrent portions, the carrying value as of the balance sheet date of notes payable to banks, excluding mortgage notes, initially due beyond one year or beyond the operating cycle if longer.

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Elimination of net operating loss value.

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Net assets or equity value.

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Fresh Start Accounting - Assets and Liabilities at Fair Value (Parenthetical) (Detail) (USD $)	0 Months Ended										0 Months Ended	3 Months Ended
	Mar. 19, 2012	Dec. 31, 2013	Dec. 31, 2012	Mar. 19, 2012 WMMRC [Member]	Mar. 19, 2012 Runoff Notes [Member]	Dec. 31, 2013 Successor [Member]	Dec. 31, 2012 Successor [Member]	Mar. 19, 2012 Successor [Member]	Mar. 19, 2012 Fair Value Adjustments [Member]	Mar. 19, 2012 Reorganization Adjustments [Member]	Mar. 19, 2012 Predecessor [Member]	Mar. 19, 2012 Predecessor [Member]
Fresh-Start Adjustment [Line Items]
Common stock, par value		$ 0.00001				$ 0.00001	$ 0.00001	$ 0.00001	$ 1	$ 0.00001	$ 0.00001	$ 0.00001
Common stock, shares outstanding		201,842,351	201,156,078			201,842,351	201,156,078	200,000,000	1,000	200,000,000	1,000	1,000
Common stock, shares issued		201,842,351	201,156,078			201,842,351	201,156,078	200,000,000	1,000	200,000,000	1,000	1,000
Common stock, shares authorized		500,000,000				500,000,000	500,000,000	500,000,000		500,000,000
Cash contributed to the Company by creditors	$ 75,000,000											$ 75,000,000
Court's valuation of WMMRC				140,000,000
Outstanding amount of notes					130,000,000
Net assets or equity value				171,600,000
Loss contract fair market value reserve	63,100,000					46,319,000	52,217,000	63,100,000
Increase in equity value											194,700,000
Reduction in WMMRC's FMV	8,400,000			8,400,000
Value related to NOLs	$ 70,000,000
Valuation allowance	100.00%